[Mycological view of dermatophytes in humans.].

Dermatophytes are a group of closely related fungi that have the capacity to invade keratinized tissue (skin, hair, and nails) of humans and animals to produce an infection, dermatophytosis, commonly referred to as ringworm. Dermatophytoses are common of world wide: in the United States, Microsporum audouinii and Microsporum canis, once the major agents of tinea capitis, have been superseded by Trichophyton tonsurans. Since the 1950s, T.